#1709

opteryx/connectors/base/base_connector.py

@@ -102,7 +102,7 @@ def chunk_dictset(
             _id = record.pop("_id", None)
             # column selection
             if columns:
-                record = {k.name: record.get(k.name) for k in columns}
+                record = {k.source_column: record.get(k.source_column) for k in columns}
             record["id"] = None if _id is None else str(_id)
 
             chunk.append(record)

opteryx/connectors/cql_connector.py

@@ -121,7 +121,7 @@ def read_dataset(  # type:ignore
 
         # Update the SQL and the target morsel schema if we've pushed a projection
         if columns:
-            column_names = [f'"{col.name}"' for col in columns]
+            column_names = [f'"{col.source_column}"' for col in columns]
             query_builder.add("SELECT", *column_names)
             result_schema.columns = [  # type:ignore
                 col for col in self.schema.columns if f'"{col.name}"' in column_names  # type:ignore

opteryx/models/logical_column.py

@@ -30,12 +30,14 @@ def __init__(
         self,
         node_type,
         source_column: str,
+        source_connector: Optional[str] = None,
         source: Optional[str] = None,
         alias: Optional[str] = None,
         schema_column=None,
     ):
         self.node_type = node_type
         self.source_column = source_column
+        self.source_connector = source_connector
         self.source = source
         self.alias = alias
         self.schema_column = schema_column
@@ -89,6 +91,7 @@ def to_dict(self) -> dict:
             "class": "LogicalColumn",
             "node_type": self.node_type.name,
             "source_column": self.source_column,
+            "source_connector": self.source_connector,
             "source": self.source,
             "alias": self.alias,
             "schema_column": dataclass_to_dict(self.schema_column),

opteryx/planner/binder/binder.py

@@ -185,6 +185,9 @@ def create_variable_node(node: Node, context: BindingContext) -> Node:
 
     # Update node.schema_column with the found column
     node.schema_column = column
+    node.source_connector = {context.relations.get(a) for a in found_source_relation.aliases} - {
+        None
+    }
     # if may need to map source aliases to the columns if they weren't able to be
     # mapped before now
     if column.origin and len(column.origin) == 1:

opteryx/planner/binder/binder_visitor.py

@@ -806,7 +806,7 @@ def visit_scan(self, node: Node, context: BindingContext) -> Tuple[Node, Binding
         context.schemas[node.alias] = node.schema
         for column in node.schema.columns:
             column.origin = [node.alias]
-        context.relations.add(node.alias)
+        context.relations[node.alias] = node.connector.__mode__
 
         return node, context
 
@@ -864,21 +864,21 @@ def visit_subquery(self, node: Node, context: BindingContext) -> Tuple[Node, Bin
                 schema_column.aliases = []
                 columns.append(schema_column)
             if name[0] != "$" and name in context.relations:
-                context.relations.remove(name)
-        context.relations.add(node.alias)
+                context.relations.pop(name)
+        context.relations[node.alias] = "subquery"
 
         schema = RelationSchema(name=node.alias, columns=columns)
 
         context.schemas = {"$derived": derived.schema(), node.alias: schema}
-        context.relations.add(node.alias)
+        context.relations[node.alias] = "subquery"
         node.schema = schema
         node.source_relations = set(source_relations)
         return node, context
 
     def visit_union(self, node: Node, context: BindingContext) -> Tuple[Node, BindingContext]:
         for relation in node.right_relation_names:
             context.schemas.pop(relation, None)
-        context.relations = set(node.left_relation_names)
+        context.relations = {n: "union" for n in node.left_relation_names}
 
         if len(node.columns) == 1 and node.columns[0].node_type == NodeType.WILDCARD:
             columns = []
@@ -950,9 +950,12 @@ def traverse(
                 exit_context.schemas = merge_schemas(child_context.schemas, exit_context.schemas)
 
                 # Update relations if necessary
-                context.relations = context.relations.union(exit_context.relations).union(
-                    child_context.relations
-                )
+                merged_relations = {
+                    **context.relations,
+                    **exit_context.relations,
+                    **child_context.relations,
+                }
+                context.relations = merged_relations
 
             context.schemas = merge_schemas(context.schemas, exit_context.schemas)
 

opteryx/planner/binder/binding_context.py

@@ -14,7 +14,6 @@
 from dataclasses import dataclass
 from typing import Any
 from typing import Dict
-from typing import Set
 
 from opteryx.models import ConnectionContext
 from opteryx.models import QueryStatistics
@@ -40,7 +39,7 @@ class BindingContext:
     schemas: Dict[str, Any]
     qid: str
     connection: ConnectionContext
-    relations: Set
+    relations: Dict[str, str]
     statistics: QueryStatistics
 
     @classmethod
@@ -61,7 +60,7 @@ def initialize(cls, qid: str, connection=None) -> "BindingContext":
             schemas={"$derived": derived.schema()},  # Replace with the actual schema
             qid=qid,
             connection=connection,
-            relations=set(),
+            relations={},
             statistics=QueryStatistics(qid),
         )
 
@@ -76,6 +75,6 @@ def copy(self) -> "BindingContext":
             schemas=deepcopy(self.schemas),
             qid=self.qid,
             connection=self.connection,
-            relations=set(self.relations),
+            relations={k: v for k, v in self.relations.items()},
             statistics=self.statistics,
         )

opteryx/planner/cost_based_optimizer/strategies/predicate_pushdown.py

@@ -22,7 +22,6 @@
 
 from opteryx.connectors.capabilities import PredicatePushable
 from opteryx.exceptions import UnsupportedSyntaxError
-from opteryx.functions import FUNCTIONS
 from opteryx.managers.expression import NodeType
 from opteryx.managers.expression import get_all_nodes_of_type
 from opteryx.models import Node
@@ -68,7 +67,11 @@ def _rewrite_predicate(predicate):
         ):
             predicate.value = LIKE_REWRITES[predicate.value]
             return predicate
-    if predicate.value in {"Like", "ILike"} and predicate.right.value:
+    if (
+        predicate.value in {"Like", "ILike"}
+        and predicate.right.value
+        and predicate.left.source_connector.isdisjoint({"Sql", "Cql"})
+    ):
         ignore_case = predicate.value == "ILike"
         # Rewrite LIKEs as STARTS_WITH
         if (

tests/misc/test_expressions.py

@@ -362,7 +362,7 @@ def test_functions():
 
     rounded = evaluate(_round, planets)
     assert len(rounded) == 9
-    assert set(r for r in rounded) == {4, 23, 9, 1, 11, 10}
+    assert set(r.as_py() for r in rounded) == {4, 23, 9, 1, 11, 10}, list(rounded)
 
 
 if __name__ == "__main__":  # pragma: no cover

tests/plan_optimization/test_predicate_pushdown_sqlite.py

@@ -19,21 +19,14 @@
     connection="sqlite:///testdata/sqlite/database.db",
 )
 
+# fmt: off
 test_cases = [
     ("SELECT * FROM sqlite.planets WHERE name = 'Mercury';", 1, 1),
     ("SELECT * FROM sqlite.planets WHERE name = 'Mercury' AND gravity = 3.7;", 1, 1),
-    (
-        "SELECT * FROM sqlite.planets WHERE name = 'Mercury' AND gravity = 3.7 AND escapeVelocity = 5.0;",
-        0,
-        0,
-    ),
+    ("SELECT * FROM sqlite.planets WHERE name = 'Mercury' AND gravity = 3.7 AND escapeVelocity = 5.0;", 0, 0),
     ("SELECT * FROM sqlite.planets WHERE gravity = 3.7 AND name IN ('Mercury', 'Venus');", 1, 2),
     ("SELECT * FROM sqlite.planets WHERE surfacePressure IS NULL;", 4, 4),
-    (
-        "SELECT * FROM sqlite.planets WHERE orbitalInclination IS FALSE AND name IN ('Earth', 'Mars');",
-        1,
-        1,
-    ),
+    ("SELECT * FROM sqlite.planets WHERE orbitalInclination IS FALSE AND name IN ('Earth', 'Mars');", 1, 1),
     ("SELECT * FROM (SELECT name FROM sqlite.planets) AS $temp WHERE name = 'Earth';", 1, 1),
     ("SELECT * FROM sqlite.planets WHERE gravity <= 3.7", 3, 3),
     ("SELECT * FROM sqlite.planets WHERE name != 'Earth'", 8, 8),
@@ -45,7 +38,7 @@
     ("SELECT * FROM sqlite.planets WHERE name LIKE '%a%'", 4, 4),
     ("SELECT * FROM sqlite.planets WHERE id > gravity", 2, 9),
 ]
-
+# fmt:on
 
 import pytest
 

tests/query_planner/test_binder_visitor.py

@@ -53,23 +53,23 @@ def visit_scan(self, node, context):
 
         def visit_filter(self, node, context):
             # the filter has the left scan before it
-            node.sources = set(context.schemas.keys())
+            node.sources = {a: "test" for a in context.schemas.keys()}
             node.columns = []
             return node, context
 
         def visit_union(self, node, context):
-            node.sources = set(context.schemas.keys())
+            node.sources = {a: "test" for a in context.schemas.keys()}
             node.columns = []
             return node, context
 
         def visit_project(self, node, context):
             # the project has the left and right scans before it
-            node.sources = set(context.schemas.keys())
+            node.sources = {a: "test" for a in context.schemas.keys()}
             node.columns = []
             return node, context
 
     context = BindingContext(
-        schemas={}, qid="12345", connection=None, relations=set(), statistics=None
+        schemas={}, qid="12345", connection=None, relations={}, statistics=None
     )
 
     visitor = TestBinderVisitor()

tests/storage/test_collection_mongodb.py

@@ -1,5 +1,5 @@
 """
-Test we can read from MinIO
+Test we can read from Mongo
 """
 
 import os